Range from the cheapest Wallpapering £270 (NJG Glass & Locks based in LU5) to the dearest Wallpapering £400 (Bob's Home Maintenance based in AL3).
Comparing painter & decorators estimates for Wallpapering gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for wallpapering your rooms by posting your job to painter & decorators in HP4.